#full-page .slimScrollBar {
    opacity: 0 !important;
  }
  #arrow-down {
    z-index: 10;
    position: fixed;
    bottom: 22px;
    left: 50%;
    margin-left: -15px;
    width: 30px;
    height: 30px;
    color: #209e85;
    text-align: center;
    -webkit-animation: sway 1s linear 0s infinite alternate;
            animation: sway 1s linear 0s infinite alternate;
    background: url('https://media-image1.baydn.com/storage_media_image/buteka/229dfe282667c851b1a56ff4a149de18.39cb3ef9e61de356e1c021ae5d882f1d.png') no-repeat center center;
    background-size: 18px 9px;
  }
  @-webkit-keyframes sway {
    from {
      -webkit-transform: translate(0, 2px);
              transform: translate(0, 2px);
    }
    to {
      -webkit-transform: translate(0, -2px);
              transform: translate(0, -2px);
    }
  }
  @keyframes sway {
    from {
      -webkit-transform: translate(0, 2px);
              transform: translate(0, 2px);
    }
    to {
      -webkit-transform: translate(0, -2px);
              transform: translate(0, -2px);
    }
  }
  .app {
    text-align: center;
  }
  .app__header > img {
    display: block;
    width: 100%;
  }
  .app__logo {
    margin: -30px auto 30px;
  }
  .app__logo > img {
    display: block;
    margin: 0 auto;
    width: 60px;
    -webkit-box-shadow: 1px 1px 1px rgba(100, 100, 100, 0.2);
            box-shadow: 1px 1px 1px rgba(100, 100, 100, 0.2);
  }
  .app__logo > h3 {
    font-size: 16px;
    color: #209e85;
    line-height: 2em;
    margin: 0;
  }
  .app__desc > p {
    margin: 0 0 10px;
  }
  .app__download {
    display: block;
    margin: 10px auto;
    font-size: 16px;
    height: 40px;
    line-height: 40px;
    color: white;
    background-color: #18c4a0;
    border-radius: 2px;
    -webkit-box-shadow: 0 1px 1px 0 #c8c8c8;
            box-shadow: 0 1px 1px 0 #c8c8c8;
  }
  .page-header {
    position: fixed;
    top: 15px;
    right: 18px;
    left: 18px;
    display: -webkit-box;
    display: -webkit-flex;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-pack: justify;
    -webkit-justify-content: space-between;
        -ms-flex-pack: justify;
            justify-content: space-between;
    -webkit-box-align: center;
    -webkit-align-items: center;
        -ms-flex-align: center;
            align-items: center;
    z-index: 10;
  }
  .page-header > .logo {
    width: 65px;
    height: 24px;
  }
  .page-header > .menu {
    width: 21px;
    height: 18px;
  }
  .page-header .menu > img,
  .page-header .logo > img {
    display: block;
    width: 100%;
    height: 100%;
  }
  .words-app {
    height: 120vh;
  }
  .words-app .user-comment {
    padding-bottom: 50px;
  }
  .words-app .user-comment > header {
    position: relative;
    padding: 0 18px;
    margin: 28px 0 22px;
  }
  .words-app .user-comment > header:before {
    position: absolute;
    left: 18px;
    top: -4px;
    content: '';
    width: 8px;
    height: 4px;
    background-color: #28bea0;
  }
  .words-app .user-comment .join {
    font-size: 19px;
    font-weight: 600;
    color: #333333;
  }
  .words-app .user-comment .comment-note {
    font-size: 11px;
    color: #999999;
    margin-left: 9px;
  }
  .words-app .user-comment .comments {
    width: 1034px;
    height: 168px;
  }
  .words-app .user-comment .comments-wrap {
    overflow-y: scroll;
  }
  .words-app .user-comment .comments > img {
    display: block;
    width: 100%;
  }
  .words-app .feature-intro {
    position: relative;
  }
  .words-app .feature-intro .slick-dots {
    bottom: 17px;
  }
  .words-app .feature-intro .slick-dots li.slick-active button:before {
    color: #fff;
  }
  .words-app .feature-intro .download {
    position: absolute;
    bottom: 30px;
    padding: 0 20px;
    display: -webkit-box;
    display: -webkit-flex;
    display: -ms-flexbox;
    display: flex;
    -webkit-box-align: center;
    -webkit-align-items: center;
        -ms-flex-align: center;
            align-items: center;
    background: url('https://media-image1.baydn.com/storage_media_image/buteka/4a79dd0489e4e9037c766c780bfb024b.017006a7b423b314daa5d9418dd6f5a6.png') no-repeat left center;
    background-size: contain;
    width: 100%;
    height: 80px;
  }
  .words-app .feature-intro .download-btn {
    display: block;
    width: 116px;
    height: 43px;
    background: url('https://media-image1.baydn.com/storage_media_image/buteka/82c56c0cdbf36accc042eca5edcd2a74.4984b85938c7aed53a550ed7671a8d3c.png') no-repeat;
    background-size: 100% 100%;
    margin-left: auto;
    -webkit-animation: scale 0.8s linear infinite alternate;
            animation: scale 0.8s linear infinite alternate;
    will-change: transform;
  }
  @-webkit-keyframes scale {
    0% {
      -webkit-transform: scale(1);
              transform: scale(1);
    }
    100% {
      -webkit-transform: scale(1.1);
              transform: scale(1.1);
    }
  }
  @keyframes scale {
    0% {
      -webkit-transform: scale(1);
              transform: scale(1);
    }
    100% {
      -webkit-transform: scale(1.1);
              transform: scale(1.1);
    }
  }
  #navs {
    position: fixed;
    display: none;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    z-index: 10;
  }
  #navs .nav-bar__mask {
    content: '';
    position: absolute;
    z-index: -1;
    top: 0;
    bottom: 0;
    left: 0;
    right: 0;
    background-color: #000;
    opacity: 0.8;
  }
  #navs .nav-pic-wrap {
    display: inline-block;
    text-align: center;
    width: 54px;
  }
  #navs .nav-pic {
    display: inline-block;
    width: 44px;
    height: 44px;
    border-radius: 50%;
    vertical-align: middle;
  }
  #navs .nav-label {
    font-size: 14px;
    color: #303030;
    display: inline-block;
    background-color: rgba(255, 255, 255, 0.7);
    border-radius: 2px;
    padding: 8px;
    margin-right: 20px;
    vertical-align: middle;
  }
  #navs .nav-home-pic {
    display: inline-block;
    width: 54px;
    height: 54px;
    padding: 12px;
    text-align: center;
    vertical-align: middle;
    background-color: #209e85;
    border-radius: 50%;
  }
  #navs .nav-home-pic > img {
    line-height: 54px;
    width: 30px;
    height: 30px;
  }
  #navs ul {
    z-index: 10;
    position: fixed;
    top: 10px;
    right: 10px;
    text-align: right;
    margin: 0;
    padding: 0;
  }
  #navs ul > li {
    display: none;
    margin-bottom: 20px;
  }